<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
   const o={
     uname:'佩奇'
   }
   const obj=new Object()
   obj.uname="pink"
   console.log(obj)
  
  </script>
</body>
</html>